The
New Scientist of 19 Jan 2008 carries an article,
"Coal: Bleak outlook for the black stuff" (subscription required for full article), belatedly drawing attention to an interesting piece of analysis by Professor David Rutledge of CalTech in
a lecture last October, where he suggests that world coal reserves are grossly overstated and could be substantially exhausted this century. It's well worth watching the whole hour of the lecture, because the
PowerPoint alone [3MB] doesn't do his argument justice.
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